Pith Number

pith:N7EKTHQI

pith:2002:N7EKTHQIGYDUX7YU66ZKYQW2YJ

not attested not anchored not stored refs pending

Optical and Infrared Photometry of the Nearby Type Ia Supernova 2001el

Arlo U. Landolt, David Gonzalez, Jose Arenas, Juan Espinoza, Kevin Krisciunas, Mark M. Phillips, Nicholas B. Suntzeff, Pablo Candia, Peter A. Hoeflich, Sergio Gonzalez, Sergio Pizarro

arxiv:astro-ph/0210327 v3 · 2002-10-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7EKTHQIGYDUX7YU66ZKYQW2YJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:30:58.551437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc8a99e0836074bff14f7b2ac42dac245a5d6538ae5f0b83f87aea3268e2653

Aliases

arxiv: astro-ph/0210327 · arxiv_version: astro-ph/0210327v3 · doi: 10.48550/arxiv.astro-ph/0210327 · pith_short_12: N7EKTHQIGYDU · pith_short_16: N7EKTHQIGYDUX7YU · pith_short_8: N7EKTHQI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/N7EKTHQIGYDUX7YU66ZKYQW2YJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6fc8a99e0836074bff14f7b2ac42dac245a5d6538ae5f0b83f87aea3268e2653

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81e53fe5186bc8e68c322f6495077756c1fdc439d1bfc22a309a4839d0d2e2d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-15T17:49:44Z",
    "title_canon_sha256": "adb7b6b6b38129e4a01203febf0dd93dd76167088f2a091f9c1b404224c0cde5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210327",
    "kind": "arxiv",
    "version": 3
  }
}